Access tuple in django template

Question

 t=[]
 t.append(("a",1))
 t.append(("b",2))
 t.append(("c",3))
 return render_to_response(t.html,  context_instance=RequestContext(request, {'t':t}))

How can I access a value of t in Django templates without using a for loop? I have tried the following and it doesn't seem to work:

    alert('{{t[a]}}');
    alert('{{t[c]}}');

Theres an error in your code assigning values to t. Currently it fails with TypeError, so we can't be sure what the *real* structure of t is, so we can't help you. Copy-Paste your view code to prevent these mistakes. — Ofri Raviv, Mar 07 '11 at 12:02

score 68 · Accepted Answer · edited Mar 07 '11 at 19:16

68

Assuming your view code is:

t=[]
t.extend([('a',1),('b',2),('c',3)])

(and not as stated in the OP)

{{ t.0.0 }} is like t[0][0] in Python code. This should give you "a", because t.0 is the first element of the list t, which itself is a tuple, and then another .0 is the tuple's first element.

{{ t.0.1 }} will be 1, and so on.

But in your question you are creating a tuple and trying to access it as if it is a dict.

That's the problem.

edited Mar 07 '11 at 19:16

tamizhgeek

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answered Mar 07 '11 at 12:08

Ofri Raviv

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cant we access the values from the keys namely a,b,c?? – Rajeev Mar 07 '11 at 12:11
You can, but you'll have to make t a dict: t = {'a':1,'b':2,'c':3}, then t.a should work. – Ofri Raviv Mar 07 '11 at 12:19

score 6 · Answer 2 · edited May 23 '17 at 12:25

6

You can convert your tuple to dict via dict() function:

mydict = dict(t)

And then in template you can access items by key like here:

{{ mydict|get_item:item.NAME }}

edited May 23 '17 at 12:25

Community

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answered Feb 18 '15 at 09:08

Alexey Doroshenko

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Access tuple in django template

2 Answers2